16880783664 has 80 divisors (see below), whose sum is σ = 44022718080. Its totient is φ = 5573667840.

The previous prime is 16880783653. The next prime is 16880783669. The reversal of 16880783664 is 46638708861.

It is a super-2 number, since 2×16880783664² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16880783669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3890104 + ... + 3894440.

It is an arithmetic number, because the mean of its divisors is an integer number (550283976).

Almost surely, 2^16880783664 is an apocalyptic number.

It is an amenable number.

16880783664 is an abundant number, since it is smaller than the sum of its proper divisors (27141934416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16880783664 is a wasteful number, since it uses less digits than its factorization.

16880783664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 5092 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 16880783664 in words is "sixteen billion, eight hundred eighty million, seven hundred eighty-three thousand, six hundred sixty-four".